Introduction: Sodium micro-dosing has gained popularity among ultramarathon runners as a strategy to optimize performance and prevent hyponatremia. This article delves into the concept of sodium micro-dosing, its benefits, implementation strategies, and potential risks. The Science Behind Sodium Micro-Dosing Sodium is a crucial electrolyte that plays a vital role in maintaining fluid balance, nerve function, …
November 2025
Salt shots vs capsules vs chews: match gut tolerance and pace
Salt Shots Salt shots are a popular method of replenishing electrolytes during intense physical activities such as endurance sports or outdoor adventures. These concentrated liquid forms of salt are designed to be quickly consumed to boost sodium levels in the body. Salt shots are often favored by athletes who prefer a fast-acting solution to prevent …
DIY sweat test: scale, towel, calculator—simple and accurate
Sweating is a natural process that helps regulate body temperature and eliminate toxins. Monitoring your sweat rate can provide valuable insights into your hydration levels and overall fitness. While there are professional methods to measure sweat rate, such as using a sweat test conducted in a sports science laboratory, a do-it-yourself (DIY) sweat test can …
Electrolyte targets by sweat sodium: set per liter, not per bottle
Electrolyte targets by sweat sodium: set per liter, not per bottle, is a critical aspect of maintaining proper hydration and performance for athletes, particularly in endurance sports. Understanding the composition of sweat and the individual’s sweat sodium concentration can help in formulating personalized hydration strategies. Rather than focusing on generic guidelines based on the volume …




